format operator== according to flutter style guide (#48449)

dev/devicelab/lib/framework/running_processes.dart

@@ -19,10 +19,10 @@ class RunningProcessInfo {
 
   @override
   bool operator ==(Object other) {
-    return other is RunningProcessInfo &&
-        other.pid == pid &&
-        other.commandLine == commandLine &&
-        other.creationDate == creationDate;
+    return other is RunningProcessInfo
+        && other.pid == pid
+        && other.commandLine == commandLine
+        && other.creationDate == creationDate;
   }
 
   @override

dev/tools/vitool/lib/vitool.dart

@@ -268,7 +268,7 @@ class FrameData {
 
   @override
   bool operator ==(Object other) {
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is FrameData
         && other.size == size
@@ -320,7 +320,7 @@ class SvgPath {
 
   @override
   bool operator ==(Object other) {
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is SvgPath
         && other.id == id
@@ -369,7 +369,7 @@ class SvgPathCommand {
 
   @override
   bool operator ==(Object other) {
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is SvgPathCommand
         && other.type == type

examples/flutter_gallery/lib/demo/transformations/transformations_demo_board.dart

@@ -266,7 +266,7 @@ class BoardPoint {
 
   // Only compares by location.
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType) {
       return false;
     }

examples/flutter_gallery/lib/gallery/demos.dart

@@ -17,13 +17,14 @@ class GalleryDemoCategory {
   final IconData icon;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is GalleryDemoCategory
-        && other.name == name && other.icon == icon;
+        && other.name == name
+        && other.icon == icon;
   }
 
   @override

examples/flutter_gallery/lib/gallery/options.dart

@@ -55,8 +55,8 @@ class GalleryOptions {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is GalleryOptions
         && other.themeMode == themeMode

examples/flutter_gallery/lib/gallery/scales.dart

@@ -11,8 +11,8 @@ class GalleryTextScaleValue {
   final String label;
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is GalleryTextScaleValue
         && other.scale == scale
@@ -44,12 +44,12 @@ class GalleryVisualDensityValue {
   final String label;
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is GalleryVisualDensityValue
-        && visualDensity == other.visualDensity
-        && label == other.label;
+        && other.visualDensity == visualDensity
+        && other.label == label;
   }
 
   @override

packages/flutter/lib/src/cupertino/colors.dart

@@ -1000,20 +1000,21 @@ class CupertinoDynamicColor extends Color with DiagnosticableMixin implements Di
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-
-    return other.runtimeType == runtimeType
-        && value == other.value
-        && color == other.color
-        && darkColor == other.darkColor
-        && highContrastColor == other.highContrastColor
-        && darkHighContrastColor == other.darkHighContrastColor
-        && elevatedColor == other.elevatedColor
-        && darkElevatedColor == other.darkElevatedColor
-        && highContrastElevatedColor == other.highContrastElevatedColor
-        && darkHighContrastElevatedColor == other.darkHighContrastElevatedColor;
+    if (other.runtimeType != runtimeType)
+      return false;
+    return other is CupertinoDynamicColor
+        && other.value == value
+        && other.color == color
+        && other.darkColor == darkColor
+        && other.highContrastColor == highContrastColor
+        && other.darkHighContrastColor == darkHighContrastColor
+        && other.elevatedColor == elevatedColor
+        && other.darkElevatedColor == darkElevatedColor
+        && other.highContrastElevatedColor == highContrastElevatedColor
+        && other.darkHighContrastElevatedColor == darkHighContrastElevatedColor;
   }
 
   @override

packages/flutter/lib/src/cupertino/route.dart

@@ -734,8 +734,8 @@ class _CupertinoEdgeShadowDecoration extends Decoration {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _CupertinoEdgeShadowDecoration
         && other.edgeGradient == edgeGradient;

packages/flutter/lib/src/foundation/key.dart

@@ -70,7 +70,7 @@ class ValueKey<T> extends LocalKey {
   final T value;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ValueKey<T>

packages/flutter/lib/src/foundation/stack_frame.dart

@@ -213,16 +213,16 @@ class StackFrame {
 
   @override
   bool operator ==(Object other) {
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
-    return other is StackFrame &&
-        number == other.number &&
-        package == other.package &&
-        line == other.line &&
-        column == other.column &&
-        className == other.className &&
-        method == other.method &&
-        source == other.source;
+    return other is StackFrame
+        && other.number == number
+        && other.package == package
+        && other.line == line
+        && other.column == column
+        && other.className == className
+        && other.method == method
+        && other.source == source;
   }
 
   @override

packages/flutter/lib/src/gestures/velocity_tracker.dart

@@ -62,7 +62,7 @@ class Velocity {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is Velocity
         && other.pixelsPerSecond == pixelsPerSecond;
   }

packages/flutter/lib/src/material/app_bar_theme.dart

@@ -123,7 +123,7 @@ class AppBarTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/banner_theme.dart

@@ -89,7 +89,7 @@ class MaterialBannerThemeData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/bottom_app_bar_theme.dart

@@ -87,7 +87,7 @@ class BottomAppBarTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/button_theme.dart

@@ -904,7 +904,7 @@ class ButtonThemeData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ButtonThemeData

packages/flutter/lib/src/material/card_theme.dart

@@ -117,7 +117,7 @@ class CardTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/chip.dart

@@ -2180,7 +2180,7 @@ class _ChipRenderTheme {
   final bool canTapBody;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other)) {
       return true;
     }

packages/flutter/lib/src/material/dialog_theme.dart

@@ -104,7 +104,7 @@ class DialogTheme extends Diagnosticable {
   int get hashCode => shape.hashCode;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/divider_theme.dart

@@ -105,7 +105,7 @@ class DividerThemeData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/dropdown.dart

@@ -366,7 +366,7 @@ class _DropdownRouteResult<T> {
   final T result;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is _DropdownRouteResult<T>
         && other.result == result;
   }

packages/flutter/lib/src/material/expansion_panel.dart

@@ -24,7 +24,7 @@ class _SaltedKey<S, V> extends LocalKey {
   final V value;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is _SaltedKey<S, V>

packages/flutter/lib/src/material/input_border.dart

@@ -235,10 +235,10 @@ class UnderlineInputBorder extends InputBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is InputBorder
         && other.borderSide == borderSide;
@@ -492,10 +492,10 @@ class OutlineInputBorder extends InputBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is OutlineInputBorder
         && other.borderSide == borderSide

packages/flutter/lib/src/material/input_decorator.dart

@@ -39,10 +39,10 @@ class _InputBorderGap extends ChangeNotifier {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _InputBorderGap
         && other.start == start
@@ -525,7 +525,7 @@ class _Decoration {
   final Widget container;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)
@@ -3189,7 +3189,7 @@ class InputDecoration {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/mergeable_material.dart

@@ -631,7 +631,7 @@ class _MergeableMaterialSliceKey extends GlobalKey {
   final LocalKey value;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is _MergeableMaterialSliceKey
         && other.value == value;
   }

packages/flutter/lib/src/material/outline_button.dart

@@ -552,10 +552,10 @@ class _OutlineBorder extends ShapeBorder implements MaterialStateProperty<ShapeB
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _OutlineBorder
         && other.side == side

packages/flutter/lib/src/material/page_transitions_theme.dart

@@ -529,12 +529,12 @@ class PageTransitionsTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)
       return false;
-    if (identical(builders, other.builders))
+    if (other is PageTransitionsTheme && identical(builders, other.builders))
       return true;
     return other is PageTransitionsTheme
         && listEquals<PageTransitionsBuilder>(_all(other.builders), _all(builders));

packages/flutter/lib/src/material/scaffold.dart

@@ -314,7 +314,7 @@ class _BodyBoxConstraints extends BoxConstraints {
   // If the height of the bottom widgets has changed, even though the constraints'
   // min and max values have not, we still want performLayout to happen.
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (super != other)
       return false;
     return other is _BodyBoxConstraints

packages/flutter/lib/src/material/snack_bar_theme.dart

@@ -156,7 +156,7 @@ class SnackBarThemeData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/tab_bar_theme.dart

@@ -117,7 +117,7 @@ class TabBarTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/text_theme.dart

@@ -476,7 +476,7 @@ class TextTheme extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/material/theme_data.dart

@@ -1816,7 +1816,7 @@ class VisualDensity extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType) {
       return false;
     }

packages/flutter/lib/src/material/time.dart

@@ -112,7 +112,7 @@ class TimeOfDay {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is TimeOfDay
         && other.hour == hour
         && other.minute == minute;

packages/flutter/lib/src/painting/_network_image_io.dart

@@ -108,7 +108,7 @@ class NetworkImage extends image_provider.ImageProvider<image_provider.NetworkIm
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is NetworkImage

packages/flutter/lib/src/painting/_network_image_web.dart

@@ -65,7 +65,7 @@ class NetworkImage extends image_provider.ImageProvider<image_provider.NetworkIm
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType) {
       return false;
     }

packages/flutter/lib/src/painting/alignment.dart

@@ -126,7 +126,7 @@ abstract class AlignmentGeometry {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is AlignmentGeometry
         && other._x == _x
         && other._start == _start

packages/flutter/lib/src/painting/beveled_rectangle_border.dart

@@ -133,8 +133,8 @@ class BeveledRectangleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BeveledRectangleBorder
         && other.side == side

packages/flutter/lib/src/painting/border_radius.dart

@@ -239,10 +239,10 @@ abstract class BorderRadiusGeometry {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BorderRadiusGeometry
         && other._topLeft == _topLeft

packages/flutter/lib/src/painting/borders.dart

@@ -252,10 +252,10 @@ class BorderSide {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BorderSide
         && other.color == color
@@ -610,10 +610,10 @@ class _CompoundBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _CompoundBorder
         && listEquals<ShapeBorder>(other.borders, borders);

packages/flutter/lib/src/painting/box_border.dart

@@ -527,10 +527,10 @@ class Border extends BoxBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is Border
         && other.top == top
@@ -831,10 +831,10 @@ class BorderDirectional extends BoxBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BorderDirectional
         && other.top == top

packages/flutter/lib/src/painting/box_decoration.dart

@@ -309,10 +309,10 @@ class BoxDecoration extends Decoration {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BoxDecoration
         && other.color == color

packages/flutter/lib/src/painting/box_shadow.dart

@@ -113,10 +113,10 @@ class BoxShadow extends ui.Shadow {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is BoxShadow
         && other.color == color

packages/flutter/lib/src/painting/circle_border.dart

@@ -81,8 +81,8 @@ class CircleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is CircleBorder
         && other.side == side;

packages/flutter/lib/src/painting/colors.dart

@@ -214,7 +214,7 @@ class HSVColor {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is HSVColor
@@ -398,7 +398,7 @@ class HSLColor {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is HSLColor
@@ -441,7 +441,7 @@ class ColorSwatch<T> extends Color {
   Color operator [](T index) => _swatch[index];
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/painting/continuous_rectangle_border.dart

@@ -148,8 +148,8 @@ class ContinuousRectangleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is ContinuousRectangleBorder
         && other.side == side

packages/flutter/lib/src/painting/decoration_image.dart

@@ -136,10 +136,10 @@ class DecorationImage {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is DecorationImage
         && other.image == image

packages/flutter/lib/src/painting/edge_insets.dart

@@ -279,7 +279,7 @@ abstract class EdgeInsetsGeometry {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is EdgeInsetsGeometry
         && other._left == _left
         && other._right == _right

packages/flutter/lib/src/painting/flutter_logo.dart

@@ -206,7 +206,7 @@ class FlutterLogoDecoration extends Decoration {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     assert(debugAssertIsValid());
     if (identical(this, other))
       return true;

packages/flutter/lib/src/painting/gradient.dart

@@ -493,10 +493,10 @@ class LinearGradient extends Gradient {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is LinearGradient
         && other.begin == begin
@@ -753,10 +753,10 @@ class RadialGradient extends Gradient {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is RadialGradient
         && other.center == center
@@ -999,10 +999,10 @@ class SweepGradient extends Gradient {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is SweepGradient
         && other.center == center

packages/flutter/lib/src/painting/image_provider.dart

@@ -91,7 +91,7 @@ class ImageConfiguration {
   static const ImageConfiguration empty = ImageConfiguration();
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ImageConfiguration
@@ -436,7 +436,7 @@ class AssetBundleImageKey {
   final double scale;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is AssetBundleImageKey
@@ -654,7 +654,7 @@ class FileImage extends ImageProvider<FileImage> {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is FileImage
@@ -715,7 +715,7 @@ class MemoryImage extends ImageProvider<MemoryImage> {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is MemoryImage
@@ -852,7 +852,7 @@ class ExactAssetImage extends AssetBundleImageProvider {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ExactAssetImage

packages/flutter/lib/src/painting/image_resolution.dart

@@ -277,7 +277,7 @@ class AssetImage extends AssetBundleImageProvider {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is AssetImage

packages/flutter/lib/src/painting/image_stream.dart

@@ -116,7 +116,7 @@ class ImageStreamListener {
   int get hashCode => hashValues(onImage, onChunk, onError);
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ImageStreamListener

packages/flutter/lib/src/painting/inline_span.dart

@@ -84,11 +84,12 @@ class InlineSpanSemanticsInformation {
   final bool requiresOwnNode;
 
   @override
-  bool operator ==(dynamic other) {
-    if (other is! InlineSpanSemanticsInformation) {
-      return false;
-    }
-    return other.text == text && other.semanticsLabel == semanticsLabel && other.recognizer == recognizer && other.isPlaceholder == isPlaceholder;
+  bool operator ==(Object other) {
+    return other is InlineSpanSemanticsInformation
+        && other.text == text
+        && other.semanticsLabel == semanticsLabel
+        && other.recognizer == recognizer
+        && other.isPlaceholder == isPlaceholder;
   }
 
   @override
@@ -354,7 +355,7 @@ abstract class InlineSpan extends DiagnosticableTree {
   RenderComparison compareTo(InlineSpan other);
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/painting/rounded_rectangle_border.dart

@@ -123,8 +123,8 @@ class RoundedRectangleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is RoundedRectangleBorder
         && other.side == side
@@ -283,8 +283,8 @@ class _RoundedRectangleToCircleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _RoundedRectangleToCircleBorder
         && other.side == side

packages/flutter/lib/src/painting/shape_decoration.dart

@@ -246,10 +246,10 @@ class ShapeDecoration extends Decoration {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is ShapeDecoration
         && other.color == color

packages/flutter/lib/src/painting/stadium_border.dart

@@ -110,8 +110,8 @@ class StadiumBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is StadiumBorder
         && other.side == side;
@@ -257,8 +257,8 @@ class _StadiumToCircleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _StadiumToCircleBorder
         && other.side == side
@@ -399,8 +399,8 @@ class _StadiumToRoundedRectangleBorder extends ShapeBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is _StadiumToRoundedRectangleBorder
         && other.side == side

packages/flutter/lib/src/painting/strut_style.dart

@@ -541,7 +541,7 @@ class StrutStyle extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/painting/text_span.dart

@@ -416,7 +416,7 @@ class TextSpan extends InlineSpan {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/painting/text_style.dart

@@ -1139,7 +1139,7 @@ class TextStyle extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/lib/src/rendering/box.dart

@@ -581,11 +581,11 @@ class BoxConstraints extends Constraints {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     assert(debugAssertIsValid());
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     assert(other is BoxConstraints && other.debugAssertIsValid());
     return other is BoxConstraints
@@ -855,7 +855,7 @@ class _IntrinsicDimensionsCacheEntry {
   final double argument;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is _IntrinsicDimensionsCacheEntry
         && other.dimension == dimension
         && other.argument == argument;

packages/flutter/lib/src/rendering/sliver.dart

@@ -466,7 +466,7 @@ class SliverConstraints extends Constraints {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other is! SliverConstraints)

packages/flutter/lib/src/rendering/stack.dart

@@ -151,7 +151,7 @@ class RelativeRect {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is RelativeRect

packages/flutter/lib/src/rendering/table_border.dart

@@ -260,10 +260,10 @@ class TableBorder {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
-    if (runtimeType != other.runtimeType)
+    if (other.runtimeType != runtimeType)
       return false;
     return other is TableBorder
         && other.top == top

packages/flutter/lib/src/semantics/semantics.dart

@@ -126,7 +126,7 @@ class CustomSemanticsAction {
   int get hashCode => ui.hashValues(label, hint, action);
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is CustomSemanticsAction
@@ -421,7 +421,7 @@ class SemanticsData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is SemanticsData
         && other.flags == flags
         && other.actions == actions
@@ -559,7 +559,7 @@ class SemanticsHintOverrides extends DiagnosticableTree {
   int get hashCode => ui.hashValues(onTapHint, onLongPressHint);
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is SemanticsHintOverrides

packages/flutter/lib/src/services/keyboard_key.dart

@@ -167,7 +167,7 @@ class LogicalKeyboardKey extends KeyboardKey {
   int get hashCode => keyId.hashCode;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType) {
       return false;
     }
@@ -2069,7 +2069,7 @@ class PhysicalKeyboardKey extends KeyboardKey {
   int get hashCode => usbHidUsage.hashCode;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType) {
       return false;
     }

packages/flutter/lib/src/services/raw_keyboard.dart

@@ -618,10 +618,12 @@ class _ModifierSidePair extends Object {
   final KeyboardSide side;
 
   @override
-  bool operator ==(dynamic other) {
-    return runtimeType == other.runtimeType
-        && modifier == other.modifier
-        && side == other.side;
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
+      return false;
+    return other is _ModifierSidePair
+        && other.modifier == modifier
+        && other.side == side;
   }
 
   @override

packages/flutter/lib/src/services/system_chrome.dart

@@ -193,7 +193,7 @@ class SystemUiOverlayStyle {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is SystemUiOverlayStyle

packages/flutter/lib/src/services/text_editing.dart

@@ -98,7 +98,7 @@ class TextSelection extends TextRange {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is TextSelection

packages/flutter/lib/src/services/text_input.dart

@@ -189,7 +189,7 @@ class TextInputType {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is TextInputType
         && other.index == index
         && other.signed == signed
@@ -688,7 +688,7 @@ class TextEditingValue {
   String toString() => '$runtimeType(text: \u2524$text\u251C, selection: $selection, composing: $composing)';
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is TextEditingValue

packages/flutter/lib/src/widgets/async.dart

@@ -265,7 +265,7 @@ class AsyncSnapshot<T> {
   String toString() => '$runtimeType($connectionState, $data, $error)';
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     return other is AsyncSnapshot<T>

packages/flutter/lib/src/widgets/framework.dart

@@ -73,7 +73,7 @@ class ObjectKey extends LocalKey {
   final Object value;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is ObjectKey
@@ -325,7 +325,7 @@ class GlobalObjectKey<T extends State<StatefulWidget>> extends GlobalKey<T> {
   final Object value;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is GlobalObjectKey<T>
@@ -453,7 +453,7 @@ abstract class Widget extends DiagnosticableTree {
 
   @override
   @nonVirtual
-  bool operator ==(dynamic other) => super==other;
+  bool operator ==(Object other) => super == other;
 
   @override
   @nonVirtual

packages/flutter/lib/src/widgets/icon_data.dart

@@ -50,8 +50,8 @@ class IconData {
   final bool matchTextDirection;
 
   @override
-  bool operator ==(dynamic other) {
-    if (runtimeType != other.runtimeType)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is IconData
         && other.codePoint == codePoint

packages/flutter/lib/src/widgets/icon_theme_data.dart

@@ -100,7 +100,7 @@ class IconThemeData extends Diagnosticable {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is IconThemeData

packages/flutter/lib/src/widgets/page_storage.dart

@@ -47,7 +47,7 @@ class _StorageEntryIdentifier {
   bool get isNotEmpty => keys.isNotEmpty;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is _StorageEntryIdentifier

packages/flutter/lib/src/widgets/widget_inspector.dart

@@ -2435,7 +2435,7 @@ class _TransformedRect {
   final Matrix4 transform;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is _TransformedRect
@@ -2467,7 +2467,7 @@ class _InspectorOverlayRenderState {
   final TextDirection textDirection;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (other.runtimeType != runtimeType)
       return false;
     return other is _InspectorOverlayRenderState

packages/flutter/lib/src/widgets/widget_span.dart

@@ -164,7 +164,7 @@ class WidgetSpan extends PlaceholderSpan {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other))
       return true;
     if (other.runtimeType != runtimeType)

packages/flutter/test/services/fake_platform_views.dart

@@ -387,8 +387,8 @@ class FakeAndroidPlatformView {
   int layoutDirection;
 
   @override
-  bool operator ==(dynamic other) {
-    if (other.runtimeType != FakeAndroidPlatformView)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is FakeAndroidPlatformView
         && other.id == id
@@ -415,9 +415,7 @@ class FakeAndroidMotionEvent {
 
 
   @override
-  bool operator ==(dynamic other) {
-    if (other is! FakeAndroidMotionEvent)
-      return false;
+  bool operator ==(Object other) {
     return other is FakeAndroidMotionEvent
         && listEquals<int>(other.pointerIds, pointerIds)
         && other.action == action
@@ -441,8 +439,8 @@ class FakeUiKitView {
   final Uint8List creationParams;
 
   @override
-  bool operator ==(dynamic other) {
-    if (other.runtimeType != FakeUiKitView)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is FakeUiKitView
         && other.id == id
@@ -466,8 +464,8 @@ class FakeHtmlPlatformView {
   final String type;
 
   @override
-  bool operator ==(dynamic other) {
-    if (other.runtimeType != FakeHtmlPlatformView)
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
       return false;
     return other is FakeHtmlPlatformView
         && other.id == id

packages/flutter/test/widgets/key_test.dart

@@ -12,7 +12,7 @@ class TestValueKey<T> extends ValueKey<T> {
 class NotEquals {
   const NotEquals();
   @override
-  bool operator ==(dynamic other) => false;
+  bool operator ==(Object other) => false;
   @override
   int get hashCode => 0;
 }

packages/flutter_driver/lib/src/driver/driver.dart

@@ -751,7 +751,7 @@ class DriverOffset {
   String toString() => '$runtimeType($dx, $dy)';
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return other is DriverOffset
         && other.dx == dx
         && other.dy == dy;

packages/flutter_test/test/matchers_test.dart

@@ -709,7 +709,7 @@ class _CustomColor extends Color {
   bool isEqual;
 
   @override
-  bool operator ==(dynamic other) => isEqual ?? super == other;
+  bool operator ==(Object other) => isEqual ?? super == other;
 
   @override
   int get hashCode => hashValues(super.hashCode, isEqual);

packages/flutter_tools/lib/src/asset.dart

@@ -283,7 +283,7 @@ class _Asset {
   String toString() => 'asset: $entryUri';
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(other, this)) {
       return true;
     }

packages/flutter_tools/lib/src/base/fingerprint.dart

@@ -140,7 +140,7 @@ class Fingerprint {
   });
 
   @override
-  bool operator==(dynamic other) {
+  bool operator==(Object other) {
     if (identical(other, this)) {
       return true;
     }

packages/flutter_tools/lib/src/base/version.dart

@@ -84,11 +84,11 @@ class Version implements Comparable<Version> {
   /// Two [Version]s are equal if their version numbers are. The version text
   /// is ignored.
   @override
-  bool operator ==(dynamic other) {
-    if (other is! Version) {
-      return false;
-    }
-    return major == other.major && minor == other.minor && patch == other.patch;
+  bool operator ==(Object other) {
+    return other is Version
+        && other.major == major
+        && other.minor == minor
+        && other.patch == patch;
   }
 
   @override

packages/flutter_tools/lib/src/device.dart

@@ -440,14 +440,12 @@ abstract class Device {
   int get hashCode => id.hashCode;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other)) {
       return true;
     }
-    if (other is! Device) {
-      return false;
-    }
-    return id == other.id;
+    return other is Device
+        && other.id == id;
   }
 
   @override

packages/flutter_tools/lib/src/emulator.dart

@@ -228,14 +228,12 @@ abstract class Emulator {
   int get hashCode => id.hashCode;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(this, other)) {
       return true;
     }
-    if (other is! Emulator) {
-      return false;
-    }
-    return id == other.id;
+    return other is Emulator
+        && other.id == id;
   }
 
   Future<void> launch();